(27x^2)-x-156=0

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Solution for (27x^2)-x-156=0 equation:


Simplifying
(27x2) + -1x + -156 = 0

Reorder the terms:
-156 + -1x + (27x2) = 0

Solving
-156 + -1x + (27x2) = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
27 the coefficient of the squared term: 

Divide each side by '27'.
-5.777777778 + -0.03703703704x + x2 = 0

Move the constant term to the right:

Add '5.777777778' to each side of the equation.
-5.777777778 + -0.03703703704x + 5.777777778 + x2 = 0 + 5.777777778

Reorder the terms:
-5.777777778 + 5.777777778 + -0.03703703704x + x2 = 0 + 5.777777778

Combine like terms: -5.777777778 + 5.777777778 = 0.000000000
0.000000000 + -0.03703703704x + x2 = 0 + 5.777777778
-0.03703703704x + x2 = 0 + 5.777777778

Combine like terms: 0 + 5.777777778 = 5.777777778
-0.03703703704x + x2 = 5.777777778

The x term is -0.03703703704x.  Take half its coefficient (-0.01851851852).
Square it (0.0003429355282) and add it to both sides.

Add '0.0003429355282' to each side of the equation.
-0.03703703704x + 0.0003429355282 + x2 = 5.777777778 + 0.0003429355282

Reorder the terms:
0.0003429355282 + -0.03703703704x + x2 = 5.777777778 + 0.0003429355282

Combine like terms: 5.777777778 + 0.0003429355282 = 5.7781207135282
0.0003429355282 + -0.03703703704x + x2 = 5.7781207135282

Factor a perfect square on the left side:
((x) + -0.01851851852)((x) + -0.01851851852) = 5.7781207135282

Calculate the square root of the right side: 2.403772184

Break this problem into two subproblems by setting 
((x) + -0.01851851852) equal to 2.403772184 and -2.403772184.

Subproblem 1

(x) + -0.01851851852 = 2.403772184 Simplifying (x) + -0.01851851852 = 2.403772184 x + -0.01851851852 = 2.403772184 Reorder the terms: -0.01851851852 + x = 2.403772184 Solving -0.01851851852 + x = 2.403772184 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.01851851852' to each side of the equation. -0.01851851852 + 0.01851851852 + x = 2.403772184 + 0.01851851852 Combine like terms: -0.01851851852 + 0.01851851852 = 0.00000000000 0.00000000000 + x = 2.403772184 + 0.01851851852 x = 2.403772184 + 0.01851851852 Combine like terms: 2.403772184 + 0.01851851852 = 2.42229070252 x = 2.42229070252 Simplifying x = 2.42229070252

Subproblem 2

(x) + -0.01851851852 = -2.403772184 Simplifying (x) + -0.01851851852 = -2.403772184 x + -0.01851851852 = -2.403772184 Reorder the terms: -0.01851851852 + x = -2.403772184 Solving -0.01851851852 + x = -2.403772184 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.01851851852' to each side of the equation. -0.01851851852 + 0.01851851852 + x = -2.403772184 + 0.01851851852 Combine like terms: -0.01851851852 + 0.01851851852 = 0.00000000000 0.00000000000 + x = -2.403772184 + 0.01851851852 x = -2.403772184 + 0.01851851852 Combine like terms: -2.403772184 + 0.01851851852 = -2.38525366548 x = -2.38525366548 Simplifying x = -2.38525366548

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.42229070252, -2.38525366548}

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